Alkali metal ion binding using cyclic polyketones?

Chemical Communications Pub Date: 2022-02-09 DOI: 10.1039/D2CC00361A

Abstract

Cyclic oligoketones composed of 3,3-dimethylpentane-2,4-diones showed crown ether-like alkali metal ion binding behavior with association constants up to 1.7 × 104 M?1 in chloroform/acetonitrile (v/v, 9/1). The binding properties have been used for catalysis in the Finkelstein reaction in a low-polarity solvent. Furthermore, novel ion-binding hosts were generated by terminal functionalization of linear polyketones.

Graphical abstract: Alkali metal ion binding using cyclic polyketones
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